diff options
| -rw-r--r-- | src/libstore/local-store.cc | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc index 567706d09748..5d210ae0171b 100644 --- a/src/libstore/local-store.cc +++ b/src/libstore/local-store.cc @@ -20,6 +20,7 @@ #include <errno.h> #include <stdio.h> #include <time.h> +#include <grp.h> #if HAVE_UNSHARE && HAVE_STATVFS && HAVE_SYS_MOUNT_H #include <sched.h> @@ -237,7 +238,7 @@ LocalStore::LocalStore(bool reserveSpace) makeStoreWritable(); createDirs(linksDir = settings.nixStore + "/.links"); Path profilesDir = settings.nixStateDir + "/profiles"; - createDirs(settings.nixStateDir + "/profiles"); + createDirs(profilesDir); createDirs(settings.nixStateDir + "/temproots"); createDirs(settings.nixDBPath); Path gcRootsDir = settings.nixStateDir + "/gcroots"; @@ -246,6 +247,32 @@ LocalStore::LocalStore(bool reserveSpace) createSymlink(profilesDir, gcRootsDir + "/profiles"); } + /* Optionally, create directories and set permissions for a + multi-user install. */ + if (getuid() == 0 && settings.buildUsersGroup != "") { + + Path perUserDir = profilesDir + "/per-user"; + createDirs(perUserDir); + if (chmod(perUserDir.c_str(), 01777) == -1) + throw SysError(format("could not set permissions on `%1%' to 1777") % perUserDir); + + struct group * gr = getgrnam(settings.buildUsersGroup.c_str()); + if (!gr) + throw Error(format("the group `%1%' specified in `build-users-group' does not exist") + % settings.buildUsersGroup); + + struct stat st; + if (stat(settings.nixStore.c_str(), &st)) + throw SysError(format("getting attributes of path `%1%'") % settings.nixStore); + + if (st.st_uid != 0 || st.st_gid != gr->gr_gid || (st.st_mode & ~S_IFMT) != 01775) { + if (chown(settings.nixStore.c_str(), 0, gr->gr_gid) == -1) + throw SysError(format("changing ownership of path `%1%'") % settings.nixStore); + if (chmod(settings.nixStore.c_str(), 01775) == -1) + throw SysError(format("changing permissions on path `%1%'") % settings.nixStore); + } + } + checkStoreNotSymlink(); /* We can't open a SQLite database if the disk is full. Since |